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Displaying 201 - 225 of 1184

Permeability of Polymeric Scaffolds With Defined Pore Micro-Architecture and Interconnectivity Fabricated by Solid Free-Form Microprinting

November 7, 2004
Author(s)
K W. Lee, E Jabbari, L L. Lu, B L. Currier, Joy Dunkers, Martin Chiang, John A. Tesk, Marcus T. Cicerone, M J. Yaszemski
The hydraulic permeability of was measured as a function of interconnectivity of the pores. The hydraulic permeability of porous scaffolds for tissue engineering of bone was measured as interconnectivity of the pores was changed from 100 % to 70 %. The

Surface Magnetization of Ferromagnetic Ni(110): A Polarized LEED Experiment

September 3, 1979
Author(s)
Robert Celotta, Daniel T. Pierce, G Wang, S Bader, G P. Felcher
The magnetic field dependence (hysteresis curve) and the temperature dependence of the magnetization at a Ni(110) surface was measured by polarized low-energy electron diffraction. The diffracted intensities are spin dependent by a few percent. The

Controlled Potential Electrooxidation of Genomic DNA

January 11, 2018
Author(s)
Vytautas Reipa, Donald H. Atha, Sanem Hosbas Coskun, Christopher M. Sims, Bryant C. Nelson
… (ct-DNA). DNA in 0.01 mol/L potassium phosphate buffer (pH 7.3) was electro-oxidized for 1 h at four fixed oxidizing …

Improved thermoelectric performance of (Fe,Co)Sb3-type skutterudites from first-principles

February 3, 2016
Author(s)
Winnie K. Wong-Ng, Izaak Williamson, Logan J. Her, Xianli Su, Yonggao Yan, Lan Li
Skutterudite materials have been considered as promising thermoelectric candidates due to intrinsically good electrical conductivity and tailorable thermal conductivity. Options for improving thermal-to-electrical conversion efficiency include identifying

Rapid Microwave Preparation and Composition Tuning of the High-Performance Magnetocalorics (Mn,Fe) 2 (P,Si)

February 28, 2018
Author(s)
Jason H. Grebenkemper, Joshua D. Bocarsly, Emily E. Levin, Gareth Seward, Colin A. Heikes, Craig Brown, Sumohan Misra, Fabian Seeler, Kerstin Schierle-Arndt, Stephen D. Wilson, Ram Seshadri
A rapid preparation utilizing assisted microwave heating has been developed for (Mn,Fe) 2(P,Si) and used to prepare samples of (Mn,Fe) 2-δPd0.5^Si 0.5 with δ=0, 0.06, and 0.12. To fully understand the effects of processing and composition changes on

Compressed-liquid Density Measurements of Three Alternative Turbine Fuels

February 7, 2014
Author(s)
Stephanie L. Outcalt
Compressed-liquid densities of three alternative turbine fuels have been measured. The measurements were made from 270 K to 470 K, and 0.5 MPa to 50 MPa. The data have been correlated with a Tait equation, and parameters are given for each fuel. Results of

Photon antibunching from a single lithographically defined InGaAs/GaAs quantum dot

February 28, 2011
Author(s)
Varun B. Verma, Martin J. Stevens, Kevin L. Silverman, Neville Dias, Akash Garg, James J. Coleman, Richard P. Mirin
We demonstrate photon antibunching from a single lithographically defined quantum dot fabricated by electron beam lithography, wet chemical etching, and overgrowth of the barrier layers by metalorganic chemical vapor deposition. Measurement of the second

Noise-Source Stability Measurements

May 1, 2000
Author(s)
James P. Randa, L. A. Terrell, Lawrence P. Dunleavy
… uncertainty of the tests, about 0.03% per day or about 0.05% per year for hot sources. …

Spin Sensitivity of a Channel Electron Multiplier

March 1, 1988
Author(s)
R E. Scholten, Jabez J. McClelland, Michael H. Kelley, Robert Celotta
We report direct measurements of the sensitivity of a channel electron multiplier to electrons with different spin orientations. Four regions of the multiplier cone were examined using polarized electrons at 100-eV incident energy. Pulse counting and

Tuning the Magnetic Ground State of Ce 1-x Yb x RhIn 5 by Yb Valence Fluctuations

November 16, 2018
Author(s)
S. Jang, N. Pouse, T. Keiber, B. D. White, S. M. Disseler, Jeffrey W. Lynn, J. C. Collini, M. Janoschek, F. Bridges, M. B. Maple
We characterize the properties of Ce 1-xYb xRhIn 5 single crystals with 0 less than or equal to} x less than or equal to} 1 using measurements of powder x-ray diffraction (XRD), energy dispersive x-ray spectroscopy (EDS), electrical resistivity, magnetic

In situ stress measurement during electrodeposition of Ni_(x)Pt_(1-x) alloys

June 20, 2012
Author(s)
Jae W. Shin, Carlos M. Hangarter, Ugo Bertocci, Yihua Y. Liu, Thomas P. Moffat, Gery R. Stafford
Stress generation was examined during the electrodeposition of NixPt1-x alloys from 0.5 M NaCl + 3 mM K2PtCl4 + 0.1 M NiCl2 (pH=2.5), using the wafer curvature method, in films measuring less than 50 nm in thickness. Steady state tensile stress, ranging
Displaying 201 - 225 of 1184
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